Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
communication 3.3 » communication _, communication a, communication 1
user development » users development, use development, users developments
technologies pt » technologies _, technologies 4, technologies 2
development law » development latin, development 1
channels 3.2 » channels 3.5, channels 3.7, channels 3.8
pt informal » _ informal, 3 informal, vs informal
law afrique » l afrique
3.2 face » 2.2 face, 6.2 face, 12.2 face
3.3 user » 3.1 user, 3.2 user, 4.3 user

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies pt informal channels 3.2 face communication 3.3 user development law afrique.*.